Correct Answer: Following guidelines to be following while writing Cobol program: - Use ? EVALUATE ? statement for constructing cases - Use scope terminators for nesting - Use in-line Perform statement for writing ?do? constructions - Use Test Before and Test After in the Perform statement while writing Do-While statements
6. If you are current on the owner of a set, what is the difference between an obtain next and obtain first in IDMS?
Correct Answer: Currency is the location within the database during run-unit execution There are four levels of currency: - Current of run-unit is the record occurrence of the last successful find or obtain; - Current of record type is for the most recent of each record type; - Current of record set is the most recent within each set - Current of area is within each area